km5 Inc. is a Japanese electronics brand specializing in innovative audio products like the Instant Disk Audio Bluetooth portable CD players and wireless headphones.
km5 Inc. is an audio electronics company based in Japan, renowned for modernizing physical media listening experiences. The brand is best known for its Audio Disk ozugbo series (like the CP1 and CP2), which are portable, wall-mountable CD players featuring modern Bluetooth connectivity.
These unique devices bridge the gap between retro and modern tech, allowing users to proudly display physical CD jacket art while enjoying the convenience of wireless audio streaming. In addition to signature portable CD players, km5 produces high-quality wireless headsets equipped with Active Noise Cancelling capabilities and high-resolution LE Audio support.
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Turn on the product, then press and hold the Bluetooth button. The blue LED lamp will flash, entering standby mode. Ensure your receiving Bluetooth device is in pairing mode and wait for the connection to complete and the blue LED to turn solid.
The CD Players feature a lithium-ion battery that provides approximately 7 to 8 hours of continuous Bluetooth playback, or 6 hours using a built-in speaker. It takes about 3 hours to fully charge via USB Type-C.
While playing music, press and hold the Volume + button to activate Active Noise Cancelling mode or Transparent Mode. Press and hold it again to cycle through or deactivate the modes.
If you need repairs or warranty covered service, you can contact the km5 Inc. Support Center directly via email at customer_support@km5.co.jp.